signal-desktop/ts/util/isLinkAndSyncEnabled.ts

// Copyright 2024 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import { isTestOrMockEnvironment } from '../environment';
import { isStagingServer } from './isStagingServer';
import { isAdhoc, isNightly } from './version';
import { everDone as wasRegistrationEverDone } from './registration';

export function isLinkAndSyncEnabled(version: string): boolean {
  // Cannot overwrite existing message history
  if (wasRegistrationEverDone()) {
    return false;
  }

  return (
    isStagingServer() ||
    isTestOrMockEnvironment() ||
    isNightly(version) ||
    isAdhoc(version)
  );
}